CINXE.COM

Just a moment...

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.oecd.org",cType: 'managed',cRay: '926cfbacbec6fe0f',cH: 'WwqjKp_7tQQzgTf1GHunPV2EhOnz6Ai2aEc5ChWkMyo-1743058536-1.2.1.1-MxNZKOZmKOAK4zVVpPPVOxDV6dQ6zwTN.V4FzrILwpYt54Y5.O8CMjUmEU5FniOV',cUPMDTk: "\/document\/48\/0,2340,en_2649_201185_1876912_1_1_1_1,00.html?__cf_chl_tk=hdaNFrZa3NVQf3wFfl6xLYH.g8VqBWiYZZLUbiMOKbc-1743058536-1.0.1.1-grmwtEVYDtqLTztnf286xkcjmbvjAPF4vzgLSaCwdqE",cFPWv: 'b',cITimeS: '1743058536',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/document\/48\/0,2340,en_2649_201185_1876912_1_1_1_1,00.html?__cf_chl_f_tk=hdaNFrZa3NVQf3wFfl6xLYH.g8VqBWiYZZLUbiMOKbc-1743058536-1.0.1.1-grmwtEVYDtqLTztnf286xkcjmbvjAPF4vzgLSaCwdqE",md: "DYeyZoFoeBo2CrygI.tuClvtTRGqSjUNTxspaJLcGc4-1743058536-1.2.1.1-3TkkP5asaFL3OOeGc2hLUrBbSr8yqfDP6RsmgP3KZlVA0CNoRQZrVkEflBYB0TWf.qJzzZodv36fN6VaZHsaCNNZRHv1tBLecvij4BTpmcyR8BhzWPrRsRtcnd9M0R8VhEBPhbLfyZWpMdI_XBcancrocBtuohlsdR3SNWSIzhMp5aj4ik3Ctgw4a6xAcHn5xqr79iExW3257fZ7nogwb0Vk5nbT9iU9Y3GcwoEOcNWjTA6Y0fNlKYtX6jCxFCK8E29ctvfz4bRPGIXBH7ReexdaPUBaEnh.S.Hlahob5Av.4BTwf2rPxnGDy96yXkE420JpTAzLvT.v1Gm3i4PuWcKJvlK8nyY8XZmA4chSL1mD2SUlNkNyHvo0hDyLHIVxcXH5oBbLRYpWTwK8d9Fj4lolmSJsuxwYUTOFCD8o3RcCj1dlJEE8T.mmb7_tyjNbDT_DTCuCnoNj6p3arEAT2_7TBpiXtVwO_xgN.4fwmtw.xvydeWvDXWeXtNB.E_.80o6efAnC27_A8dIU_qVyAtvFBcVusxBxrsIhfYWsBLZBrsJnWDvyIqz15lvHFaQa18jpvL0s0PCe5i7IEaKZpDDCkUy7Uf39Vw.jJ18kc8PNfGEVzN2Yf3._yXiDsPdNTteV7wfPfWGDqgbXWaEDs17xAUfU63ntB_Hp9Kl46gG3VenI7hdWV_Af9LgqTCHMAZUu.zuh6H.Bg.vM99G6aPp.GAm2FCJXdzO1T9p4fEumBMJPdX.uycqHdjCHlvWTgT7BoYWhX.Cb.fAaipSEcW54jclTra3bm_yAB7TqfadyGJUos6bNoUuLZnGvY7zV4Vcp3yioNygpVKm3wvADzgX_mX9J4g9U0Njp8Z6EXyNlVi_RJiOMuqxgjU0X2fYv65a5xeNbCw1vGcImEry.5BDnQPKWZrhBMCSiY1wsdYYUWhJFuIzCcGdy8ETdIQbIpQ5dErCh9HJHD_bvxXu_lTVWDGRZI_aAeOLHcnIFKj1YeQJCydZ4TloDylPIvDQFFiTeBJ1LRjhELs__f6..eXxhXu01rpjWXCNrFIDKZyp9JBUzcCbL0KUhGsr7o6wTvIiiTBiJSxAajeivAuk0vqJ5nc7yLb7m59wkmQzGyISqmrAgy1pam..NpnKbre_2iLS8lhvHvDjcbADtCHNMqGLNaYaeI6BBm57rS12ucwLB2cBMCNta_ErJfR3mFcozZl_GPIpUQIpXB5Jey1ddEJmNFCysygou20eD.TDSW64wQqitWKF_6rwqUU6_vlJIlrzyZlNs2NZt5Ivfj1brcEOmn7AscSbsYRUZaT.Tx9116sQGIN8GGMvQaaOKH5ny",mdrd: "h5KNApwY5lM4VCNpbYi78R_MOBfk.x4bhu.L_0pfEhw-1743058536-1.2.1.1-cUjTNVP7_zThcXVXgWiE8y94Om2rvVWkQdkWI.cPDv4mHC_8LTswD7JRIKOU2FdYrSxT37DlzpOHECx1uOq_tNQhzZns7RVsPphhnARnlBhMqKwSTSkY1KFyRKL_ZZKHK_ov26YK6nfmb6UmHmKAdPt4xSVo0iKQzdhC4iwhUf5zwaaEfwwuxNHtw1F6ZGtE_R5uKO_sGN3VCY7IUMKnQR3SCvpjM9hrAgf7MH49gxhoyT4iKk7XZI_n69T.XZXTF55CcNrsf.asLZvAno9PKyMeF2gtaeLCV_QnK.GJVmtqEgJMN4jVpLjHIQZv4_VZH8iiWsZQtYiTzw2vQM5zdqxTD2fxcrJw0fOUxtd.vudjo99H8AW7kbTBpATEu9nZ8fimltLUMKZs6M4K5.vQdylCLztjpt7j9vblWEkmj_FkyQQM47iDJ7iviqkZnTcgDpBrFKDLgo6v8g3N.NEZ_rp3RRBBOPQQ_UUzfVgQ2ijBwsQNHW.OTHYfprAAUMUlW4m1F.pksWpU4ly18du2w6dwhE5v.fgR_pSu7.9sPXQD2F4vcqDWE8LPWzd6g6pSy.TQflJ5_2Jj0n2amYrSwdnDqpDTdV7b0X7mWzWXI6AocAKQ_5SgM0KDhkvI7kX27G9xNKcLvaqTMLDCmpZ9a0wEMh4kb374yqWOhQU6ebnIstKQaqJtmPn8PpCFhAjtg.d9O70uNtPQN3rOxkQrPSJ._hvwnAxuqDrcSdrhOc2WxosTEecvkpuYTsa87XXJMyB8.BnJWxUFr2GS6QTKAykL6S.u7.nQz8PoJzqEavULTaj9v4.LeL7OEmwi..ur5fZFk1khzPUeggH2N0J5khVUWFQpjtNvWkG2Ck2LZIYGPc82c.nSCAaD3JcFgppdLcRrM36G9pnJ7YGwJoP0dPDEk9A.jVu5S_bTwLdlrn2a3pFg9U3.at839dJOguEMSjdE5d.cNziq__JP0bis2njepSGVQDQuMR_VHxEMTTj3ELEisguCQZVo0vLXl2CBRBIoeFTp5qlkuxqqagsJb8CM2VxDCUc5KfZePdf9PsXOVeiHXsC3bIQtINMEbUcNXFVVQ2OV09zSGQtHYzwzWaO0fYDMVa1KDPLdKQ4w4UsxemVntkO5BCnUTQ4c6dMRckfFaAlQH.hbXOkQNFyqhMQjwNsnchTqTY2jp83s3HfrmGBN3ZNVOIxmH.2H5O03_Frl5QlRUYTYWwyXll3sfjojTuva5qJmbS62hvABFBKCKu.gr_RvHEQ7pnA_KrQ2KK4dfZVTqs3C_Ihsbuvg.Bkre9o6eOV88xHDVD1sDKI2UAhJP_nOZ48Nxl9dhglNd13qbrkjStkBxIPKBC6jnQNPfDXyHZXluuliSiheprDIW2ireevXRkT4Scq5DEFVeDp5FYC.mK6E8_89WbqAd.5MPlZRfwGEzQnu_yAxNCfrjnjz3.GIfvQ3JFTxupALCcyhzelOw9xd7nGLhIXmg_6cErG8TxMZ9A4Zu1ZCKY2MfIl1uxWzVDva4fcQd.MU87orkMsPw5QXftEOtZt5UkD70Ep4.eNul5ghOFIE2WnWHRb0C7a37ldA0X4v92ZErI7tZ4szTb_mIJlRI8sDUxnKrhtw22O7ZoZAUetRJgfj..lfcscAQsCZHCMCHr9g6C0J22mUHRgK92Y43CP3hzsUyWnHCXoPTnkRqaavZvWEbm6M7MwVbohcCLunVd6ilYrmmNC2U.PZrWIdEVDVUVa649tMRnHra4Kq1yQSXuSBP_BLtjvx2ME_911iXA_dbf_DR_hUOeFFVTBF8wSE4ZGoNUDNaJUzPKCjwDqjSwUSw.zCBRi4o7dIkuu1Y83O2A0HXY_.eG1Iib8ILwOrfJhULIF1LHSrcvyVxhmW3Y9D_P0WOvgemJxrFq9AiVzGD8JysvGfTGVzSaeAQLjGGo.yXiVUZ8dujyXAp4Lx.2ml1fL6cKvHaytOMtGkJrBwc0IuYYN1RN05.h8BlOIYR2v3VMb6LJs9S.Us7_EVZVfW5zJ241f9WzdRuG7ggH4whOK8nXDiDbDlmW_W1SR_bA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=926cfbacbec6fe0f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/document\/48\/0,2340,en_2649_201185_1876912_1_1_1_1,00.html?__cf_chl_rt_tk=hdaNFrZa3NVQf3wFfl6xLYH.g8VqBWiYZZLUbiMOKbc-1743058536-1.0.1.1-grmwtEVYDtqLTztnf286xkcjmbvjAPF4vzgLSaCwdqE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>